USGS hydrologist collecting water samples with a Van Dorn sampler
![USGS Hydrologist collecting water samples with a Van Dorn sampler on the Merrimack River, Massachusetts](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/20200629_103804_web.jpg?itok=Jlg14BCb)
Detailed Description
USGS hydrologist collecting water samples with a Van Dorn sampler on the Merrimack River, Massachusetts.
Sources/Usage
Public Domain.
USGS hydrologist collecting water samples with a Van Dorn sampler on the Merrimack River, Massachusetts.
Public Domain.